[NtochkaNzvanova]

Throw it in the trash.

[vpaulus]

"If it looks stupid, but it works, it ain't stupid." Sell your iPhone, buy a traditional (not-smart) phone. If you don´t have self control to stop this behavior by yourself then you need some drastic move.

[totetsu]

Yes. I am convinced that's the only sure to work answer. Remove the device entirely.